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Advice on antenna length
On 7/24/2015 12:47 PM, Ralph Mowery wrote:
"John S" wrote in message ... On 7/24/2015 9:11 AM, Ralph Mowery wrote: I have measured dozens of them, all were out-of-band, the ICOMs the KENWOODS the WEIERWEi and YAESu and and... What method did you use to determin the frequency range of the rubber duck antennas ? I have several around here and may give it a try to see what mine are. Forgive me for inserting myself here. I just wanted to ask what equipment you might have for making the measurements? For starters a HP 8924C ( service monitor with tracking generator) , return loss bridge, wattmeters. Better than my stuff. Envy occurs here. I have an HP vector voltmeter, a Fluke 6061A source, and a few accessories. It can be a pain to set up some measurements. I just have not tried the rubber duck antennas to see what frequency I think they may be for. Me neither. Might a be fun diversion, but my bet is that we can trust Helmut's input on this. |
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